Unusual response to sensory stimuli such as light, and loud sounds.They usually have an odd interest in parts of the toy rather than the toy itself

The need to adhere and stick to a routine or familiar environment.Engaging in repetitive behaviour or movements such as rocking, twirling, jumping, foot-tapping, turning lights on and off, shutting and opening doors.They can have emotional break downs like throwing tantrums, aggression, anxiety, and it is difficult for them to be comforted Poorly developed skill development, such as motor, cognitive, social, academic, visual, and behavioural.This includes avoiding eye contact, lack of facial expressions, and pointing behaviour Problems relating to people and events.Inability to start, hold or keep up conversations.They usually have difficulty understanding and interacting Inability to express what they are thinking through language.Problems with social communications and interaction.Pervasive developmental disorder is characterized by the following symptoms: Some children with PDD may have an unusual response to sensory stimuli such as lights or loud sounds. While some children have a speech impairment, others may possess limited phrases.

When a developmental milestone (such as speech production and age-appropriate movements) are not met, the parents might begin to question the health of their child and seek help.Д¬hildren who have PDD display different levels of intelligence, abilities, and behaviours. Pervasive developmental disorder occurs during the infancy stage, but the disorder is not usually identified until the child reaches three years of age. The spectrum concept is known to be more medically accurate in diagnosing children who have these disorders. This means that pervasive developmental disorder is not a term used by doctors anymore. In 2013, The American Psychiatric Association reclassified pervasive developmental disorder, autistic disorder, AspergerвЂ™s syndrome, and childhood disintegrative disorder and placed them under the autism spectrum disorders. Other problems include trouble with change in routine, problems with socializing, communication, repetitive movements, and behavioural complications. Pervasive developmental disorder is a type of psychological disorder that is characterized by a delay in child development.

Pervasive development disorders